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- HP PC Hardware Diagnostics UEFI latest version not working o...

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04-29-2023 04:49 PM
I want to call HP's attention to a issue affecting the EliteBook G1 laptop series.
I have installed the latest version of HP PC Hardware Diagnostics UEFI on a HP EliteBook 840 G1, version 9.0.0.0.
When I tried to access the diagnostics, by pressing F2 during boot up, the display got all scrambled.
PC Diagnostics UEFI v9.0.0.0
I then downgraded the HP PC Hardware Diagnostics UEFI to version 7.7.1.0. I got the exact same result, the interface is all scrambled.
PC Diagnostics UEFI v7.7.1.0
I looked online and found other HP users with the same problem, they reported that it stopped working on EliteBook G1 laptop series since version 7.6.0.0.
I followed the advice and installed version 7.6.0.0, and it works.
Ideally I would like a update that addresses this issue, since HP PC Hardware Diagnostics UEFI can be quite useful.
05-01-2023 07:39 AM
I found this topic, from two years ago, of someone reporting the exact same problem: https://h30434.www3.hp.com/t5/Notebook-Operating-System-and-Recovery/How-to-downgrade-HP-Diagnostics...
The problem has been around for a while, does HP know about this?